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You and your build
Your chance to introduce yourself and your vehicle
Topics: 713

713 Topics

15603 Posts

Last post Mercedes w202 m111 2.3 evo + …
by Erlaauto View the latest post
Thu Feb 12, 2026 5:45 pm
Universal Boards
From Frankenstein to Proteus and everything in between
Topics: 61

61 Topics

641 Posts

Last post Re: Uaefi tachometer setup ex…
by Wombat View the latest post
Sun Jan 11, 2026 3:48 am
Plug In Boards
This means Hellen
Topics: 20

20 Topics

213 Posts

Last post Re: 99 NB1 Miata Firmware Upd…
by Deerbonker View the latest post
Wed Oct 12, 2022 4:04 am
Tuning Support: Making it Run
Tuning, troubleshooting and the nitty gritty of using rusEFI to make your engine run nicely!
Topics: 134

134 Topics

961 Posts

Last post Speedmaster 8-Stack
by rmfolsom@gmail.com View the latest post
Sun Jan 25, 2026 2:54 pm

New Topic

134 topics

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Last post

[README] rusEfi map: who is where? map in the first message

Last post by driftmeister « Sun Feb 08, 2026 6:35 pm
Replies: 120
by AndreyB » Mon Jan 09, 2017 4:18 am
1

2

3

4

5
Post here to be added or removed.
120 Replies

505357 Views

Last post by driftmeister
Sun Feb 08, 2026 6:35 pm
rusEFI online

Last post by AndreyB « Fri Oct 10, 2025 11:37 am
Replies: 21
by AndreyB » Fri May 08, 2020 4:42 am

is a way for us to share our tunes.

Some documentation at

HOWTO_upload_tune

rusEFI Commander is a hardware device based on Raspberry Pi 3 Model...

21 Replies

125785 Views

Last post by AndreyB
Fri Oct 10, 2025 11:37 am
[info] Stuff for sale. Stuff you want.

Last post by AndreyB « Fri Feb 16, 2024 4:45 am
Replies: 9
by AndreyB » Sun Sep 05, 2021 2:35 pm

rusEFI LLC sells relevant stuff. Most of the goods are linked directly from

New category is plastic covers for breakout boards - three are already...

9 Replies

69955 Views

Last post by AndreyB
Fri Feb 16, 2024 4:45 am
[README] Setting up the board with pre-compiled binaries

Last post by AndreyB « Thu Apr 25, 2019 11:58 am
Replies: 58
by AndreyB » Fri Nov 15, 2013 5:31 pm
1

2
There were no releases yet - all the changes to the source code are automatically compiled and available at our build_server folder.

You would need...
58 Replies

416750 Views

Last post by AndreyB
Thu Apr 25, 2019 11:58 am
CONNECTION PROBLEM

Last post by ediboost « Fri Feb 13, 2026 3:13 am
Replies: 4
by ediboost » Fri Feb 13, 2026 1:52 am

Hi everyone! im Edison, I’ve been working on a UAEFI Rev E (this is my 6th unit for an installation, and I’ve had no issues before). I connected the...

4 Replies

298 Views

Last post by ediboost
Fri Feb 13, 2026 3:13 am
VVT for Dodge ram 5.7

Last post by AndreyB « Fri Feb 13, 2026 1:41 am
Replies: 5
by Dan » Thu Feb 12, 2026 4:27 pm

although the cam and the cranck wheel patterns of a dodge hemi 5.7 are known in the software there is no way of making the vvt work and programmable...

5 Replies

185 Views

Last post by AndreyB
Fri Feb 13, 2026 1:41 am
cam position readout in tunerstudio

Last post by Dan « Wed Feb 11, 2026 5:50 pm
Replies: 2
by Dan » Tue Feb 10, 2026 6:59 pm

need help: i rebuild a lot of dodge ram 5.7 engines and since it is virtually impossible to run them stand alone with the oem ecu i use a uaefi but...

2 Replies

180 Views

Last post by Dan
Wed Feb 11, 2026 5:50 pm
Honda B series Obd2a Wiring and RevLimit

Last post by AndreyB « Sat Jan 24, 2026 6:16 pm
Replies: 1
by Koullisgg » Sat Jan 24, 2026 5:31 pm

Hello everyone,
I would like some guidance.

I have a uAEFI board installed on my Honda EK Sir with a B16A. I’m getting weird trigger errors from the...

1 Replies

693 Views

Last post by AndreyB
Sat Jan 24, 2026 6:16 pm
Honda b Series trigger problems

Last post by Koullisgg « Sat Jan 24, 2026 4:43 pm
Replies: 6
by Koullisgg » Thu Dec 25, 2025 5:31 pm

Merry Christmas to everyone
I hope you’re all having a great holiday.

I’m looking for some help with a trigger issue on my uaEFI ECU.

Setup:

24...

6 Replies

2039 Views

Last post by Koullisgg
Sat Jan 24, 2026 4:43 pm
ECU connection issue

Last post by AndreyB « Fri Jan 23, 2026 9:55 pm
Replies: 1
by jvaldezc » Fri Jan 23, 2026 7:06 pm

Hey everyone, basically whats happening is that my boostednw ecu is not connecting to tunerstudio when I plug it into my laptop. im not sure if I...

1 Replies

566 Views

Last post by AndreyB
Fri Jan 23, 2026 9:55 pm
4afe/7afe distributor wire up

Last post by Yard007 « Wed Jan 21, 2026 5:56 pm

by Yard007 » Wed Jan 21, 2026 5:56 pm

i have a lemons enduro car planning to wire up the 94 4afe to uaefi. i would like to run stock distributor set up anyone have an idea what wire goes...

0 Replies

670 Views

Last post by Yard007
Wed Jan 21, 2026 5:56 pm
ECU suggestion?

Last post by AndreyB « Thu Jan 15, 2026 8:13 pm
Replies: 7
by ConceptzX » Thu Jan 08, 2026 3:35 pm

Hello, I have a LMM Duramax diesel I'd like to learn on before swapping to a L5P engine. I'm doing compound VGT turbos and would like a suggestion as...

7 Replies

1437 Views

Last post by AndreyB
Thu Jan 15, 2026 8:13 pm
Ignition cut function.

Last post by Korasi « Wed Jan 14, 2026 9:02 am

by Korasi » Wed Jan 14, 2026 9:02 am

Hi, I purchased a UAEFI board, I have an V6 engine, and I want to stop spark on 3 cylinders when the ecu receives a ground input. Which pin do I use...

0 Replies

643 Views

Last post by Korasi
Wed Jan 14, 2026 9:02 am
Toyota 80 Series 1FZ-FE Trigger

Last post by joel.fitz « Mon Jan 12, 2026 12:14 pm
Replies: 6
by DanielGaviria » Fri Nov 10, 2023 4:03 am

Hello everyone

I am planning to install an mRE r0.6.0 in this truck that initially had a diesel engine and they installed a 1FZ-FE gasoline engine...

6 Replies

20369 Views

Last post by joel.fitz
Mon Jan 12, 2026 12:14 pm
Mercedes 190e M102 UAEFI conversion

Last post by Giobs « Mon Dec 29, 2025 1:13 pm
Replies: 11
by Giobs » Sun Oct 05, 2025 9:39 pm

Hi everybody!
I'm Gioele, an Italian almost mechanical engineer (just finishing my studies, i'm still at uni) with a strong passion for both old cars...

11 Replies

10011 Views

Last post by Giobs
Mon Dec 29, 2025 1:13 pm
Harley 2005 Early Delphi J1850 EFI

Last post by mpgmike « Sat Dec 13, 2025 2:25 am
Replies: 1
by RocketricianFL » Thu Dec 04, 2025 4:59 pm

Hello all, I have a 2005 touring Harley with the early cable operated Delphi J1850 ECU. I am using a dynojet power vision 4 for tining. Had it just...

1 Replies

2142 Views

Last post by mpgmike
Sat Dec 13, 2025 2:25 am
uAEFI - Serial over WIFI for TS coms

Last post by AndreyB « Mon Dec 01, 2025 8:37 pm
Replies: 8
by MWP » Wed Nov 26, 2025 4:52 am

Hi all,

I'm trying to use a ESP32 (wifi to serial bridge) on the 2nd calibration channel on a uaEFI.
It all looks good, but when i hit the TS coms...

8 Replies

4484 Views

Last post by AndreyB
Mon Dec 01, 2025 8:37 pm
2 cylinder lawn mower with OEM fuel injection

Last post by Automate « Mon Nov 24, 2025 5:00 pm
Replies: 3
by Automate » Tue Jul 08, 2025 11:36 am

Looking to put a uaEFI on a 2 cylinder engine with OEM fuel injection running a garden tractor.

Requirements are quite different than typical...

3 Replies

32792 Views

Last post by Automate
Mon Nov 24, 2025 5:00 pm
New to RusEFI, need wbo2 help

Last post by midengc8 « Mon Nov 17, 2025 1:03 am
Replies: 7
by midengc8 » Sat Nov 15, 2025 1:02 am

Setting up uaEFI , trying to get the wbo2 to work, went through the process of update the firmware and turn on all the necessary can bus and o2...

7 Replies

4906 Views

Last post by midengc8
Mon Nov 17, 2025 1:03 am
24-1 TRIGGER BUT NO MISSING TEETH

Last post by thefastelephant « Wed Nov 12, 2025 6:14 am
Replies: 2
by thefastelephant » Mon Nov 10, 2025 11:24 am

Hello,

Am attaching the trigger pattern and the flywheel of an already EFI model single cylinder motorcycle.

Will it work with the firmware/board...

2 Replies

3581 Views

Last post by thefastelephant
Wed Nov 12, 2025 6:14 am
Subaru Pedal Error

Last post by mpgmike « Sat Nov 01, 2025 5:17 pm
Replies: 6
by Renegade » Fri Feb 23, 2024 9:45 pm

Hello, I'm new to rusEFI, I got the uaEFI and trying to setup ETB and Pedal using a 2008 Subaru STi ETB and Pedal cant seem to get it working, wired...

6 Replies

10518 Views

Last post by mpgmike
Sat Nov 01, 2025 5:17 pm
rusEFI use in aircraft

Last post by benassi124 « Mon Oct 13, 2025 6:41 pm
Replies: 4
by TwitchFlys » Wed Oct 08, 2025 2:53 am

I tried to post about my project, using rusEFI in an ultralight aircraft. I had no idea until my post was rejected that the EULA prohibits usage in...

4 Replies

8789 Views

Last post by benassi124
Mon Oct 13, 2025 6:41 pm
Non standard indle control

Last post by molak « Sat Oct 04, 2025 1:35 pm
Replies: 2
by wengacz » Tue Sep 30, 2025 8:52 pm

Hi!

I'm planning on putting UAEFI in my Skoda Felicia 1.3MPI however I might have come upon a major problem.
It uses a non standard idle control...

2 Replies

8066 Views

Last post by molak
Sat Oct 04, 2025 1:35 pm
Question- Ignition timing logic

Last post by Mykk « Thu Oct 02, 2025 11:53 pm
Replies: 8
by Mykk » Wed Oct 01, 2025 4:44 pm

I have a Mega100 STM32F4 on a Speeduino UA4C running a supercharged BMW V8 in paired cylinder injection and COP waste spark.

I like to keep...

8 Replies

10823 Views

Last post by Mykk
Thu Oct 02, 2025 11:53 pm
Custom Trigger shape Bosch Quickstart spinning backwards

Last post by AndreyB « Thu Sep 25, 2025 7:20 pm
Replies: 5
by DrahtFahrzeugHammer » Wed Sep 24, 2025 5:48 pm

Hi everyone,

I need some help with my Volvo 850 project . As i mentioned in the project thread already, i have an issue with the camshaft trigger...

5 Replies

13422 Views

Last post by AndreyB
Thu Sep 25, 2025 7:20 pm

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